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The reaction 4 PH3 (g) P4 (s) + 6 H2 (g) is first order in PH3 (g) and has a rate constant k of 1.13 x 10-2 s-1. What is the half-life, ty (in s)? O 7.83 x 10-3 O 35.0 O 61.3 O 88.5 O 1.63 x 10-2

The reaction 4 PH3 (g) P4 (s) + 6 H2 (g) is first order in PH3 (g) and has a rate constant k of 1.13 x 10-2 s-1. What is the half-life, ty (in s)? O 7.83 x 10-3 O 35.0 O 61.3 O 88.5 O 1.63 x 10-2

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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First order: [A]o In———- = kt [A]t t1/2= .693/k
The reaction 4 PH3 (g) P4 (s) + 6 H2 (g) is first order in PH3 (g) and has a rate constant k of 1.13 x 10-2 s-1. What is the half-life, t, (in s)? O 7.83 x 10-3 O 35.0 O 61.3 O 88.5 O 1.63 x 10-2
Transcribed Image Text:The reaction 4 PH3 (g) P4 (s) + 6 H2 (g) is first order in PH3 (g) and has a rate constant k of 1.13 x 10-2 s-1. What is the half-life, t, (in s)? O 7.83 x 10-3 O 35.0 O 61.3 O 88.5 O 1.63 x 10-2
The same reaction as in the previous problem: 4 PH3 (g) P4 (s) + 6 H2 (g) is first order in PH3 (g) and has a rate constant k = 1.13 x 10-2 s-1. If [PH3], = .417 M, %D at what time (in s) will [PH3] = .174 M? 0.0143 O 212 O 77.3 O 296 O 44.1
Transcribed Image Text:The same reaction as in the previous problem: 4 PH3 (g) P4 (s) + 6 H2 (g) is first order in PH3 (g) and has a rate constant k = 1.13 x 10-2 s-1. If [PH3], = .417 M, %D at what time (in s) will [PH3] = .174 M? 0.0143 O 212 O 77.3 O 296 O 44.1
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